[ 10.566658][ T262] 8021q: 802.1Q VLAN Support v1.8 [ 10.691491][ T268] gre: GRE over IPv4 demultiplexer driver [ 10.717515][ T268] ip6_gre: GRE over IPv6 tunneling driver [ 17.187139][ T353] GACT probability NOT on [ 17.304963][ C3] [ 17.305055][ C3] ======================================================== [ 17.305209][ C3] WARNING: possible irq lock inversion dependency detected [ 17.305355][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 17.305454][ C3] -------------------------------------------------------- [ 17.305598][ C3] mausezahn/359 just changed the state of lock: [ 17.305722][ C3] ff11000004c76d78 (&ndev->lock){++.-}-{3:3}, at: ipv6_get_lladdr+0xa8/0x3f0 [ 17.305910][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.306052][ C3] (acaddr_hash_lock){+.+.}-{3:3} [ 17.306054][ C3] [ 17.306054][ C3] [ 17.306054][ C3] and interrupts could create inverse lock ordering between them. [ 17.306054][ C3] [ 17.306402][ C3] [ 17.306402][ C3] other info that might help us debug this: [ 17.306546][ C3] Possible interrupt unsafe locking scenario: [ 17.306546][ C3] [ 17.306689][ C3] CPU0 CPU1 [ 17.306787][ C3] ---- ---- [ 17.306890][ C3] lock(acaddr_hash_lock); [ 17.306990][ C3] local_irq_disable(); [ 17.307109][ C3] lock(&ndev->lock); [ 17.307230][ C3] lock(acaddr_hash_lock); [ 17.307350][ C3] [ 17.307425][ C3] lock(&ndev->lock); [ 17.307499][ C3] [ 17.307499][ C3] *** DEADLOCK *** [ 17.307499][ C3] [ 17.307643][ C3] 6 locks held by mausezahn/359: [ 17.307740][ C3] #0: ffffffffad577d20 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490 [ 17.307919][ C3] #1: ffffffffad577d20 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 17.308093][ C3] #2: ffffffffad577d20 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 17.308263][ C3] #3: ffffffffad577cc0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fe/0x1b60 [ 17.308434][ C3] #4: ffffffffad577d20 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.308604][ C3] #5: ffffffffad577d20 (rcu_read_lock){....}-{1:3}, at: ipv6_get_lladdr+0x36/0x3f0 [ 17.308781][ C3] [ 17.308781][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.308953][ C3] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 17.309054][ C3] HARDIRQ-ON-W at: [ 17.309128][ C3] __lock_acquire+0x378/0xc10 [ 17.309253][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.309375][ C3] _raw_spin_lock+0x33/0x40 [ 17.309498][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.309644][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.309764][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.309892][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.310014][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.310159][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.310280][ C3] addrconf_dad_work+0x170/0x930 [ 17.310401][ C3] process_one_work+0xdf8/0x1410 [ 17.310524][ C3] worker_thread+0x4f1/0xd60 [ 17.310645][ C3] kthread+0x367/0x460 [ 17.310766][ C3] ret_from_fork+0x474/0x6b0 [ 17.310893][ C3] ret_from_fork_asm+0x11/0x20 [ 17.311016][ C3] SOFTIRQ-ON-W at: [ 17.311089][ C3] __lock_acquire+0x378/0xc10 [ 17.311208][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.311331][ C3] _raw_spin_lock+0x33/0x40 [ 17.311452][ C3] __ipv6_dev_ac_dec+0x236/0x5d0 [ 17.311573][ C3] addrconf_leave_anycast+0x1bc/0x260 [ 17.311718][ C3] __ipv6_ifa_notify+0x6b4/0xad0 [ 17.311844][ C3] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 17.311991][ C3] addrconf_notify+0x339/0xf30 [ 17.312113][ C3] notifier_call_chain+0xb0/0x320 [ 17.312234][ C3] __netdev_upper_dev_link+0x3a5/0x590 [ 17.312380][ C3] netdev_master_upper_dev_link+0x86/0xb0 [ 17.312528][ C3] vrf_add_slave+0xdd/0x210 [vrf] [ 17.312652][ C3] do_set_master+0x357/0x580 [ 17.312773][ C3] do_setlink.isra.0+0xa31/0x2750 [ 17.312896][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.313016][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.313137][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.313258][ C3] netlink_unicast+0x486/0x750 [ 17.313379][ C3] netlink_sendmsg+0x735/0xc60 [ 17.313501][ C3] ____sys_sendmsg+0x419/0x850 [ 17.313624][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.313747][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.313872][ C3] do_syscall_64+0x117/0x590 [ 17.313997][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.314143][ C3] INITIAL USE at: [ 17.314216][ C3] __lock_acquire+0x378/0xc10 [ 17.314336][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.314456][ C3] _raw_spin_lock+0x33/0x40 [ 17.314577][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.314721][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.314845][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.314967][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.315089][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.315211][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.315338][ C3] addrconf_dad_work+0x170/0x930 [ 17.315460][ C3] process_one_work+0xdf8/0x1410 [ 17.315581][ C3] worker_thread+0x4f1/0xd60 [ 17.315705][ C3] kthread+0x367/0x460 [ 17.315827][ C3] ret_from_fork+0x474/0x6b0 [ 17.315953][ C3] ret_from_fork_asm+0x11/0x20 [ 17.316075][ C3] } [ 17.316125][ C3] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 17.316274][ C3] ... acquired at: [ 17.316348][ C3] __lock_acquire+0x508/0xc10 [ 17.316447][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.316544][ C3] _raw_spin_lock+0x33/0x40 [ 17.316643][ C3] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 17.316763][ C3] __ipv6_dev_ac_inc+0x57e/0x930 [ 17.316866][ C3] addrconf_join_anycast+0x1bc/0x260 [ 17.316963][ C3] __ipv6_ifa_notify+0x75b/0xad0 [ 17.317060][ C3] addrconf_dad_completed+0x14b/0xe10 [ 17.317156][ C3] addrconf_dad_begin+0x2e1/0x540 [ 17.317252][ C3] addrconf_dad_work+0x170/0x930 [ 17.317349][ C3] process_one_work+0xdf8/0x1410 [ 17.317446][ C3] worker_thread+0x4f1/0xd60 [ 17.317543][ C3] kthread+0x367/0x460 [ 17.317617][ C3] ret_from_fork+0x474/0x6b0 [ 17.317715][ C3] ret_from_fork_asm+0x11/0x20 [ 17.317812][ C3] [ 17.317870][ C3] -> (&ndev->lock){++.-}-{3:3} { [ 17.317970][ C3] HARDIRQ-ON-W at: [ 17.318045][ C3] __lock_acquire+0x378/0xc10 [ 17.318173][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.318292][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.318415][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.318536][ C3] addrconf_notify+0x151/0xf30 [ 17.318662][ C3] notifier_call_chain+0xb0/0x320 [ 17.318782][ C3] __dev_notify_flags+0xde/0x280 [ 17.318911][ C3] netif_change_flags+0xfe/0x190 [ 17.319031][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.319154][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.319274][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.319397][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.319520][ C3] netlink_unicast+0x486/0x750 [ 17.319640][ C3] netlink_sendmsg+0x735/0xc60 [ 17.319761][ C3] ____sys_sendmsg+0x419/0x850 [ 17.319886][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.320008][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.320133][ C3] do_syscall_64+0x117/0x590 [ 17.320255][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.320401][ C3] HARDIRQ-ON-R at: [ 17.320474][ C3] __lock_acquire+0x378/0xc10 [ 17.320594][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.320715][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.320843][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.320988][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.321111][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.321255][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.321377][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.321500][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.321622][ C3] netlink_unicast+0x486/0x750 [ 17.321746][ C3] netlink_sendmsg+0x735/0xc60 [ 17.321870][ C3] ____sys_sendmsg+0x419/0x850 [ 17.321992][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.322113][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.322237][ C3] do_syscall_64+0x117/0x590 [ 17.322359][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.322504][ C3] IN-SOFTIRQ-R at: [ 17.322577][ C3] __lock_acquire+0x378/0xc10 [ 17.322700][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.322822][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.322949][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.323070][ C3] ndisc_send_ns+0xf3/0x120 [ 17.323191][ C3] ndisc_solicit+0x314/0x480 [ 17.323312][ C3] neigh_probe+0xb3/0x100 [ 17.323433][ C3] __neigh_event_send+0x802/0x1070 [ 17.323555][ C3] neigh_resolve_output+0xbe/0x140 [ 17.323678][ C3] ip6_finish_output2+0x423/0x1300 [ 17.323820][ C3] ip6_finish_output+0x646/0xda0 [ 17.323943][ C3] ip6_output+0x23f/0x7f0 [ 17.324065][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.324211][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.324333][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.324477][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.324598][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.324721][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.324850][ C3] ip_output+0x1ca/0x660 [ 17.324980][ C3] ip_rcv+0xdc/0x3d0 [ 17.325083][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.325229][ C3] process_backlog+0x2bc/0x1490 [ 17.325350][ C3] __napi_poll+0xa7/0x3b0 [ 17.325477][ C3] net_rx_action+0x513/0xf50 [ 17.325604][ C3] handle_softirqs+0x1d8/0x940 [ 17.325730][ C3] do_softirq+0xa9/0xe0 [ 17.325859][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.325979][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.326099][ C3] packet_snd+0xfad/0x1990 [ 17.326224][ C3] __sys_sendto+0x2c9/0x400 [ 17.326347][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.326470][ C3] do_syscall_64+0x117/0x590 [ 17.326590][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.326737][ C3] INITIAL USE at: [ 17.326811][ C3] __lock_acquire+0x378/0xc10 [ 17.326939][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.327061][ C3] _raw_write_lock_bh+0x38/0x50 [ 17.327189][ C3] addrconf_permanent_addr+0x108/0x9c0 [ 17.327312][ C3] addrconf_notify+0x151/0xf30 [ 17.327436][ C3] notifier_call_chain+0xb0/0x320 [ 17.327558][ C3] __dev_notify_flags+0xde/0x280 [ 17.327680][ C3] netif_change_flags+0xfe/0x190 [ 17.327804][ C3] do_setlink.isra.0+0x1cc3/0x2750 [ 17.327931][ C3] rtnl_newlink+0x8d1/0xef0 [ 17.328052][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.328172][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.328296][ C3] netlink_unicast+0x486/0x750 [ 17.328418][ C3] netlink_sendmsg+0x735/0xc60 [ 17.328545][ C3] ____sys_sendmsg+0x419/0x850 [ 17.328668][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.328790][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.328916][ C3] do_syscall_64+0x117/0x590 [ 17.329035][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.329176][ C3] INITIAL READ USE at: [ 17.329251][ C3] __lock_acquire+0x378/0xc10 [ 17.329372][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.329493][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.329615][ C3] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 17.329760][ C3] inet6_fill_link_af+0x5c/0xe0 [ 17.329889][ C3] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 17.330035][ C3] rtnl_getlink+0x9c9/0xeb0 [ 17.330156][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.330276][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 17.330397][ C3] netlink_unicast+0x486/0x750 [ 17.330523][ C3] netlink_sendmsg+0x735/0xc60 [ 17.330644][ C3] ____sys_sendmsg+0x419/0x850 [ 17.330769][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 17.330895][ C3] __sys_sendmsg+0x145/0x1f0 [ 17.331015][ C3] do_syscall_64+0x117/0x590 [ 17.331138][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.331283][ C3] } [ 17.331334][ C3] ... key at: [] __key.37+0x0/0x40 [ 17.331481][ C3] ... acquired at: [ 17.331555][ C3] mark_lock+0x1d7/0xa00 [ 17.331653][ C3] mark_usage+0x42/0x170 [ 17.331750][ C3] __lock_acquire+0x378/0xc10 [ 17.331853][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.331950][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.332047][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.332144][ C3] ndisc_send_ns+0xf3/0x120 [ 17.332241][ C3] ndisc_solicit+0x314/0x480 [ 17.332338][ C3] neigh_probe+0xb3/0x100 [ 17.332435][ C3] __neigh_event_send+0x802/0x1070 [ 17.332533][ C3] neigh_resolve_output+0xbe/0x140 [ 17.332633][ C3] ip6_finish_output2+0x423/0x1300 [ 17.332730][ C3] ip6_finish_output+0x646/0xda0 [ 17.332828][ C3] ip6_output+0x23f/0x7f0 [ 17.332931][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.333051][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.333151][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.333276][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.333375][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.333474][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.333572][ C3] ip_output+0x1ca/0x660 [ 17.333674][ C3] ip_rcv+0xdc/0x3d0 [ 17.333748][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.333879][ C3] process_backlog+0x2bc/0x1490 [ 17.333977][ C3] __napi_poll+0xa7/0x3b0 [ 17.334072][ C3] net_rx_action+0x513/0xf50 [ 17.334169][ C3] handle_softirqs+0x1d8/0x940 [ 17.334266][ C3] do_softirq+0xa9/0xe0 [ 17.334344][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.334441][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.334539][ C3] packet_snd+0xfad/0x1990 [ 17.334639][ C3] __sys_sendto+0x2c9/0x400 [ 17.334741][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.334843][ C3] do_syscall_64+0x117/0x590 [ 17.334941][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.335063][ C3] [ 17.335112][ C3] [ 17.335112][ C3] stack backtrace: [ 17.335237][ C3] CPU: 3 UID: 0 PID: 359 Comm: mausezahn Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 17.335240][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.335242][ C3] Call Trace: [ 17.335244][ C3] [ 17.335245][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.335250][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.335253][ C3] mark_lock_irq+0x989/0x9c0 [ 17.335256][ C3] mark_lock+0x1d7/0xa00 [ 17.335258][ C3] mark_usage+0x42/0x170 [ 17.335259][ C3] __lock_acquire+0x378/0xc10 [ 17.335260][ C3] ? __lock_acquire+0x508/0xc10 [ 17.335262][ C3] lock_acquire.part.0+0xbc/0x260 [ 17.335264][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.335266][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335269][ C3] ? lock_acquire+0x134/0x160 [ 17.335271][ C3] _raw_read_lock_bh+0x44/0x80 [ 17.335272][ C3] ? ipv6_get_lladdr+0xa8/0x3f0 [ 17.335274][ C3] ipv6_get_lladdr+0xa8/0x3f0 [ 17.335277][ C3] ndisc_send_ns+0xf3/0x120 [ 17.335278][ C3] ? __ipv6_chk_addr_and_flags+0x251/0x5f0 [ 17.335280][ C3] ? ndisc_parse_options+0x30/0x30 [ 17.335281][ C3] ? __ipv6_chk_addr_and_flags+0x25b/0x5f0 [ 17.335283][ C3] ndisc_solicit+0x314/0x480 [ 17.335285][ C3] ? ndisc_send_ns+0x120/0x120 [ 17.335286][ C3] ? neigh_probe+0x62/0x100 [ 17.335288][ C3] neigh_probe+0xb3/0x100 [ 17.335290][ C3] __neigh_event_send+0x802/0x1070 [ 17.335292][ C3] ? warn_bogus_irq_restore+0x1/0x20 [ 17.335294][ C3] ? ___neigh_create+0x811/0x1070 [ 17.335297][ C3] neigh_resolve_output+0xbe/0x140 [ 17.335299][ C3] ip6_finish_output2+0x423/0x1300 [ 17.335301][ C3] ? ip6_xmit+0x2000/0x2000 [ 17.335302][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.335304][ C3] ? find_held_lock+0x2b/0x80 [ 17.335307][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.335308][ C3] ? ip6_mtu+0x15d/0x310 [ 17.335310][ C3] ip6_finish_output+0x646/0xda0 [ 17.335312][ C3] ip6_output+0x23f/0x7f0 [ 17.335314][ C3] ? ip6_finish_output+0xda0/0xda0 [ 17.335316][ C3] ? l3mdev_l3_out.constprop.0+0xe5/0x340 [ 17.335319][ C3] ip6_tnl_xmit+0x1713/0x31b0 [ip6_tunnel] [ 17.335322][ C3] ? ip_route_input+0x420/0x420 [ip6_tunnel] [ 17.335324][ C3] ? pskb_expand_head+0x4ac/0xf50 [ 17.335327][ C3] ? __lock_acquire+0x508/0xc10 [ 17.335329][ C3] ? __pskb_copy_fclone+0x1080/0x1080 [ 17.335331][ C3] __gre6_xmit+0x9b6/0x1910 [ip6_gre] [ 17.335333][ C3] ? __ipv6_chk_addr_and_flags+0x230/0x5f0 [ 17.335335][ C3] ? gre_build_header+0xa70/0xa70 [ip6_gre] [ 17.335337][ C3] ? ip6_tnl_xmit_ctl+0x21e/0x390 [ip6_tunnel] [ 17.335339][ C3] ? __asan_memcpy+0x3c/0x60 [ 17.335343][ C3] ip6gre_tunnel_xmit+0x8f2/0xd40 [ip6_gre] [ 17.335346][ C3] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 17.335347][ C3] ? sock_def_readable+0x156/0x490 [ 17.335349][ C3] ? find_held_lock+0x2b/0x80 [ 17.335352][ C3] ? dev_queue_xmit_nit+0x642/0x9e0 [ 17.335355][ C3] dev_hard_start_xmit+0xf8/0x690 [ 17.335357][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.335359][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335360][ C3] __dev_queue_xmit+0xbf4/0x1b60 [ 17.335363][ C3] ? __lock_acquire+0x508/0xc10 [ 17.335365][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.335366][ C3] ? find_held_lock+0x2b/0x80 [ 17.335368][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 17.335371][ C3] ? ___neigh_create+0x811/0x1070 [ 17.335372][ C3] ? sync_exp_reset_tree_hotplug+0x3a0/0x3f0 [ 17.335375][ C3] ip_finish_output2+0x5b9/0x1bc0 [ 17.335377][ C3] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 17.335379][ C3] ? ip4_dst_hoplimit+0x320/0x320 [ 17.335381][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335383][ C3] ip_output+0x1ca/0x660 [ 17.335385][ C3] ? ip_finish_output+0x460/0x460 [ 17.335386][ C3] ? ip4_frag_init+0x720/0x720 [ 17.335388][ C3] ? ip_forward+0xfa7/0x1570 [ 17.335390][ C3] ? process_backlog+0x561/0x1490 [ 17.335391][ C3] ip_rcv+0xdc/0x3d0 [ 17.335393][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.335395][ C3] ? mark_usage+0x61/0x170 [ 17.335397][ C3] ? __lock_acquire+0x508/0xc10 [ 17.335398][ C3] __netif_receive_skb_one_core+0xfc/0x180 [ 17.335400][ C3] ? lock_acquire.part.0+0xbc/0x260 [ 17.335401][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.335403][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335405][ C3] process_backlog+0x2bc/0x1490 [ 17.335407][ C3] __napi_poll+0xa7/0x3b0 [ 17.335409][ C3] net_rx_action+0x513/0xf50 [ 17.335411][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.335412][ C3] ? find_held_lock+0x2b/0x80 [ 17.335415][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 17.335417][ C3] ? raise_softirq+0x75/0xc0 [ 17.335418][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335420][ C3] handle_softirqs+0x1d8/0x940 [ 17.335421][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335423][ C3] ? _local_bh_enable+0xd0/0xd0 [ 17.335425][ C3] ? trace_csd_function_exit+0xb3/0x1a0 [ 17.335427][ C3] ? rcu_is_watching+0x15/0xd0 [ 17.335429][ C3] do_softirq+0xa9/0xe0 [ 17.335430][ C3] [ 17.335431][ C3] [ 17.335431][ C3] ? __dev_queue_xmit+0x946/0x1b60 [ 17.335433][ C3] __local_bh_enable_ip+0x113/0x140 [ 17.335435][ C3] __dev_queue_xmit+0x95b/0x1b60 [ 17.335437][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.335441][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.335443][ C3] ? net_dim+0x730/0xd70 [ 17.335445][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.335448][ C3] ? packet_release+0xc70/0xc70 [ 17.335450][ C3] packet_snd+0xfad/0x1990 [ 17.335453][ C3] ? tpacket_snd+0x19e0/0x19e0 [ 17.335455][ C3] ? __might_fault+0x97/0x140 [ 17.335458][ C3] ? __might_fault+0x97/0x140 [ 17.335459][ C3] ? __might_fault+0x97/0x140 [ 17.335461][ C3] __sys_sendto+0x2c9/0x400 [ 17.335463][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.335466][ C3] ? sock_ioctl+0x3cb/0x5f0 [ 17.335468][ C3] ? do_user_addr_fault+0x325/0xe30 [ 17.335472][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.335474][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 17.335477][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 17.335479][ C3] ? do_syscall_64+0x82/0x590 [ 17.335480][ C3] do_syscall_64+0x117/0x590 [ 17.335481][ C3] ? trace_hardirqs_off+0xd/0x30 [ 17.335482][ C3] ? exc_page_fault+0xee/0x100 [ 17.335484][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.335486][ C3] RIP: 0033:0x7facce7fc08e [ 17.335489][ C3] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 17.335491][ C3] RSP: 002b:00007ffd5d5f0cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.335494][ C3] RAX: ffffffffffffffda RBX: 0000560bc831bb22 RCX: 00007facce7fc08e [ 17.335495][ C3] RDX: 0000000000000062 RSI: 0000560bc831bb22 RDI: 0000000000000005 [ 17.335496][ C3] RBP: 00007ffd5d5f0d00 R08: 00007ffd5d5f0d50 R09: 0000000000000014 [ 17.335497][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000560bc831b830 [ 17.335498][ C3] R13: 0000000000000062 R14: 0000000000000005 R15: 0000560bc831b830 [ 17.335500][ C3]